amp doctor

  1. Jess O'Toole

    MT15 Help!!!

    Hey all, I've had my MT15 for a few months now and it's suddenly stopped working properly. It is super quiet even at full volume, and as a tube amp novice I have no idea how to fix this problem! It started very early on with slight ducking in volume, but now it won't come back up at all and I'm...
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